Finding the Fourth Proportional to 27,828,279.09, 38,387,069.87 and 17,356,114.53
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Solution
The fourth proportional to 27,828,279.09, 38,387,069.87 and 17,356,114.53 is: 23,941,486.96
Step by Step Solution
- Step 1: Write the proportion equation
27,828,279.09 : 38,387,069.87 = 17,356,114.53 : x - Step 2: Convert to fraction form
27,828,279.09/38,387,069.87 = 17,356,114.53/x - Step 3: Cross multiply
27,828,279.09x = 38,387,069.87 × 17,356,114.53 - Step 4: Simplify right side
27,828,279.09x = 666,250,380,907,912.12 - Step 5: Solve for x
x = 666,250,380,907,912.12/27,828,279.09 - Step 6: Final answer
x = 23,941,486.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.